support up and retract the block. >> i want to start out by talking about the heart of your facebook experience, the profile. >> facebook has completely all their profile, looking at how you will use it. >> we have been working on it all year. glycolic timeline. >> time line is that it fits the profile will all have the amount. it rolls out to users in a couple weeks. >> time line is the story of your life. the first thing you'll notice is, it is more visual. it is a great way to discover people and what they have done for their whole life. >> organizing your memories. right now it can take forever to find something from the past. facebook will be your one-stop shop for preserving your digital life. polls, the pictures and videos, easy to find.